Design The Device XU.R Of The Internal-Fixation In The Acetabulum Fracture

Objective Analyse through biomethanics of the stability of the internal-fixtation in the acetabulum fracture,in order to offer the most reliable fixed methods in clinic. Design the rational device XU.R in fracture ,with advanced science.Methods Adopt 8 adult pelvis-acetabulum-femur samples,using the biomethanics experiment ,stress analytical method,systematically test the posterior column fracture of acetabulum and the stability of the internal-fixation .The intensity ,rigidity of the internal-fixation XUR which has been developed were analysied.Results (1)The posterior column fracture of acetabulum has been fixed by the arc(straight) XURits emergency ,intensiry,rigidity is superior to the traditional ordinary stainless steel.Significent different have been found. (2)It is not only get the demanding of the stability of the internal-fixation in the acetabulum fracture,but also the intensity and rigidity of the material.Its mechanics performance is superior, safe,reliable,and more firmer and stronger.After plasty,one is not influenced in the needle.Conclusion The moulding shape of 3-dimension of XU.R is kind.It is simple to operate,firmly to fix,and can substitue the traditional reconstruction stencil plate, and can apply to clinic widly.